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Floridianson wrote: YES --- I'd like to take on a serious tweaking project and "yes" I do have a boost gauge and a pyro (see attach pics). I've got a Vietnam Veteran buddy that's due in tomorrow for a two week visit so nothing will happen for a couple of weeks. As soon as he leaves I'll going...

NewMVGuy wrote: I'm a real clutz when it comes to figuring out how to find the proper TM for a given problem. Anyway, I'm ovbiously going to have to pay attention to the droop screw. I took my truck out for a spin today. After turning the main fuel setting (the double nut screw) down...

Floridianson wrote: Thks for the clarification I'lll check out the Trouble Shooting Guide. Hopefully it will also state what the droop screw actually does compared to the main fuel adjustment. Thanks again.

Thanks for the input Floridianson however I'm still confused. Are you saying the droop screw is behind the round cover (the one with two bolts holding it on) on the end of the pump? I don't see a hex plug in the picture. Perhaps I'm dense but I'm puzzled as to how you can get two different...

Floridaiason Wrote: Is the droop screw accessed by removing the back cover or is it the screw (bolt) that faces forward and has the two locking nuts? The FDC on my LDS-1A is bypassed as was the FDC on my old LDT-D engine. Both engines are/were hard starters and like to go through a shuttering...